Last modified: 2013-08-06 16:58:45 UTC
According to Google, HTTPS versions of our pages should have the rel=canonical head tag that points to the http version. See http://support.google.com/webmasters/bin/answer.py?hl=en&answer=139394 I can't remember that we ever had it like this, but if Google suddenly started enforcing this, then it might explain the http-https google split and google rank penalty that Wikid77 has been discussing on WP:VP/T.
(In reply to comment #0) > it might explain the http-https google split and google > rank penalty that Wikid77 has been discussing on WP:VP/T. Link: https://en.wikipedia.org/w/index.php?title=Wikipedia:Village_pump_%28technical%29&oldid=554883644#Relinking_Google_for_SSL_https
I would strongly suggest WONTFIXing this bug in favour of 51002, which feels like a better solution given our long terms goals (see bug 47832).
Until we're ready to switch to HTTPS for anons by default it makes sense to point HTTPS versions of pages to HTTP via rel=canonical. We should be setting one or the other, rather than having a split. The load on the SSL cluster has been doubling month by month and this split may be the reason why. Unfortunately we don't have conclusive metrics to prove this, but making this setting explicit rules that out as a possibility.
(In reply to comment #3) > Until we're ready to switch to HTTPS for anons by default it makes sense to > point HTTPS versions of pages to HTTP via rel=canonical. We should be setting > one or the other, rather than having a split. > > The load on the SSL cluster has been doubling month by month and this split > may be the reason why. Unfortunately we don't have conclusive metrics to prove > this, but making this setting explicit rules that out as a possibility. So we should do this one now and bug 51002 next month/quarter/year/decade when we get around to it?
Yep
https://gerrit.wikimedia.org/r/76856 has been submitted and merged. I imagine it'll be deployed shortly.
Created attachment 13066 [details] SSL cluster eqiad network_report Also for the records, from #wikimedia-operations: 18.15 < Ryan_Lane> looks like the rel=canonical change helped 18.15 < Ryan_Lane> https://ganglia.wikimedia.org/latest/graph.php?r=week&z=xlarge&c=SSL+cluster+eqiad&m=cpu_report&s=by+name&mc=2&g=network_report 18.15 < Ryan_Lane> I had a feeling that was causing the surge 18.16 < Ryan_Lane> I'm surprised how quickly it helped, though
